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The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Other
SYLVIA
MMSI 211840950 · Call sign DD7170
Not yet on Master's MateType
Other
Flag
DEULength
16 m
Beam
4 m
Call sign
DD7170
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
SYLVIA, a German boat, measures 16 metres on deck. SYLVIA has a beam measuring 4 metres. She's listed under MMSI 211840950, call sign DD7170. There's a place for SYLVIA on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
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Is SYLVIA your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 08:23 UTC
Position
52.5372° N, 13.3357° E
Status
Moored
Speed
0.0 kn
Course
360°
Wherever SYLVIA roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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Joining the Safety Initiative Network doesn't just put SYLVIA on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim SYLVIA and switch it all on
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About SYLVIA
What kind of vessel is SYLVIA?
SYLVIA is a Other flagged to Germany.
Where was SYLVIA last seen?
SYLVIA was last reported in around 53°N 13°E in Jun 2026 on public AIS.
What is SYLVIA's MMSI?
SYLVIA's MMSI is 211840950. Call sign DD7170.
How big is SYLVIA?
SYLVIA is about 16 m long, 4 m on the beam.
Is SYLVIA on the Master's Mate Safety Initiative Network?
Not yet. If SYLVIA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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